SolarCity has partnered with Nest to offer a free Nest Learning Thermostat to the next 10,000 customers in California to sign up for solar panels.

This special offer combines two home energy solutions that can cut power bills as well as homeowners’ carbon footprint, and allows homeowners to experience these benefits with one easy package through SolarCity.

The offer includes the company’s no-upfront-cost deals – the only conditions are that you have a Nest-compatible air-conditioning system and that you agree to connect Nest to SolarCity, most likely to allow it to collect anonymized data … expand full story

Google has invested $300M in a SolarCity fund designed to bring solar power to around 25,000 homes. Debt financing brings the total to $750M, making it the largest ever investment in residential solar power, reports Reuters.

While investing in solar power makes sound economic sense for homeowners, as well as being good for the environment, many are deterred by the typical $20-30,000 upfront cost of purchasing the panels. The SolarCity fund instead allows homeowners to lease the panels, paying a monthly fee to do so … expand full story

Yesterday was Earth Day and Google announced its biggest renewable energy purchase ever and today as an encore the company is looking to get into the home utility business. The Mountain View software giant has announced a $250 million partnership with solar cell manufacturer SunPower Corporation ($100 million from Google and $150 million from SunPower) that will see the two companies leasing solar panels to American households.